DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:4144-02-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:4144-02-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need CMO
Cas:4144-02-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:4144-02-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOverview of Our Factories Our Factories production lines Our Factories R&D ability Our Factories warehouse Our Factorie
Cas:4144-02-9
Min.Order:1 Gram
FOB Price: $30.0 / 35.0
Type:Lab/Research institutions
inquiryO-METHYL-L-THREONINE CAS:4144-02-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic inter
Cas:4144-02-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:4144-02-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:4144-02-9
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:4144-02-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:4144-02-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHigh purity, high success rate, short cycle and moderate priceAppearance:White powder solid Storage:Negative 20 degrees Celsius Package:5mg, 10mg 100mg, 1gram Application:Applied to various scientific research
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:4144-02-9
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support
O-Methyl-L-threonine cas 4144-02-9Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home an
Cas:4144-02-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Food additive,Pharm
N-formyl-O-methyl-Ls-threonine
O-methyl-L-threonine
Conditions | Yield |
---|---|
With hydrogen bromide |
O-methyl-L-threonine
Conditions | Yield |
---|---|
(i) ion-exchange resin + form>, EtOH, H2O, (ii) H2, Pd-C; Multistep reaction; |
Benzyloxycarbonyl-O-methyl-threonin
O-methyl-L-threonine
Conditions | Yield |
---|---|
With hydrogen; Pd-BaSO4 |
methyl (2S,3R)-2-{[(benzyloxy)carbonyl]amino}-3-methoxybutanoate
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. LiOH / tetrahydrofuran 2: H2 / Pd/BaSO4 View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetic acid anhydride / 45 - 70 °C 2: brucine; ethanol 3: HBr View Scheme |
N-formyl-O-methyl-DL-threonine
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: brucine; ethanol 2: HBr View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
With hydrogenchloride at 120℃; for 16h; | |
With hydrogenchloride In water at 110 - 120℃; for 16h; | 143 mg |
A
sarcosine
B
O-methyl-L-threonine
C
o-hydroxyl-phenylalanine
D
cis-4-methyl-(S)-proline
Conditions | Yield |
---|---|
With hydrogenchloride; water at 130℃; |
A
O-methyl-L-threonine
B
L-Aspartic acid
C
erythro-β-hydroxy-D-aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride; water at 160℃; |
A
O-methyl-L-threonine
B
L-Aspartic acid
C
L-phenylalanine
D
erythro-β-hydroxy-D-aspartic acid
Conditions | Yield |
---|---|
With hydrogenchloride; water at 160℃; |
(2S,3R)-2-((tert-butoxycarbonyl)amino)-3-methoxybutanoic acid
O-methyl-L-threonine
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane for 2h; | 572 mg |
O-methyl-L-threonine
methyl chloroformate
(2S,3R)-3-methoxy-2-(methoxycarbonylamino)butanoic acid
Conditions | Yield |
---|---|
Stage #1: O-methyl-L-threonine; methyl chloroformate With sodium hydroxide In water at 0℃; Stage #2: With hydrogenchloride In water pH=1; | 97% |
Stage #1: O-methyl-L-threonine; methyl chloroformate With sodium hydroxide In water at 0℃; Stage #2: With hydrogenchloride In water pH=1; | 97% |
With sodium hydroxide In water at 0℃; for 12h; | 97% |
O-methyl-L-threonine
N-(9H-fluoren-2-ylmethoxycarbonyloxy)succinimide
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water; acetonitrile for 2h; | 95% |
With sodium carbonate In 1,4-dioxane; water for 22h; | 60% |
O-methyl-L-threonine
di-tert-butyl dicarbonate
(2S,3R)-2-((tert-butoxycarbonyl)amino)-3-methoxybutanoic acid
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; for 18h; | 94% |
With sodium hydrogencarbonate |
Conditions | Yield |
---|---|
With sulfuric acid; sodium nitrite In water at 0 - 5℃; | 67% |
With hydrogen bromide |
O-methyl-L-threonine
(2R,3R)-2-amino-3-methoxybutan-1-ol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran Inert atmosphere; Reflux; | 55% |
With diborane In tetrahydrofuran at 20 - 30℃; for 12h; |
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In ethanol at 100℃; for 16h; | 54% |
O-methyl-L-threonine
(2S,3R)-2-bromo-3-methoxy-butyric acid
Conditions | Yield |
---|---|
With sulfuric acid; potassium bromide; sodium nitrite |
Conditions | Yield |
---|---|
With acetic acid |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. NaHCO3 2: PyBOP; DIEA / CH2Cl2 View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: aq. NaHCO3 2: PyBOP; DIEA / CH2Cl2 3: HCl / dioxane 4: PyBOP; DIEA / CH2Cl2 5: aq. LiOH / methanol 6: Acid hydrolysis View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: aq. NaHCO3 2: PyBOP; DIEA / CH2Cl2 3: HCl / dioxane View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: aq. NaHCO3 2: PyBOP; DIEA / CH2Cl2 3: HCl / dioxane 4: PyBOP; DIEA / CH2Cl2 5: aq. LiOH / methanol View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: aq. NaHCO3 2: PyBOP; DIEA / CH2Cl2 3: HCl / dioxane 4: PyBOP; DIEA / CH2Cl2 View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous sulfuric acid; sodium nitrite; potassium bromide 2: water; silver oxide View Scheme |
Conditions | Yield |
---|---|
With triethylamine In acetone; acetonitrile at 70℃; |
O-methyl-L-threonine
(2S,3R)-3-methoxy-2-(methoxycarbonylamino)butanoic acid
Conditions | Yield |
---|---|
0.28 g (20%) |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydroxide / water / 0 °C 1.2: pH 1 2.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 3 h / 20 °C View Scheme |
O-methyl-L-threonine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydroxide / water / 0 °C 1.2: pH 1 2.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 16 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In acetone at 40℃; for 1h; |
O-methyl-L-threonine
dimethyl ((2S,2'S,3R,3'R)-((2S,2'S,3aS,3a'S,7aS,7a'S)-2,2'-(5,5'-(tricyclo[8.2.2.2(4,7)]hexadeca-4,6,10,12,13,15-hexaene-5,11-diyl)bis(1H-benzo[d]imidazole-5,2-diyl))bis(octahydro-1H-indole-2,1-diyl))bis(3-methoxy-1-oxobutane-2,1-diyl))dicarbamate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: sodium hydroxide / 1,4-dioxane / 16 h / 0 - 20 °C 1.2: pH 2 2.1: N-ethyl-N,N-diisopropylamine; HATU / N,N-dimethyl-formamide / 16 h / 0 - 20 °C View Scheme |
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